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Conformally-mapped planetary magnetosheath model
2023A high-precision model of steady-state plasma flow and magnetic field in the planetary magnetosheath region is proposed by introducing the concept of conformal mapping and transforming the Kobel-Flueckiger scalar potential (the exact solution of Laplace equation) from the parabolic boundaries (bow shock and magnetopause) into arbitrary shape of ...
Yasuhito Narita +2 more
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Magnetosheath Structure in an Anisotropic Plasma Model
Astrophysics and Space Science, 2000Variations of the magnetic field and plasma parameters across the Earth's magnetosheath are calculated for an anisotropic plasma in the Chew-Goldberger-Low approximation. Additionally, proton pitch-angle diffusion is taken into account as the energy transfer mechanism between the direction perpendicular and parallel to the magnetic field.
Besser, B. +4 more
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Turbulence Surrounding Magnetosheath Jets: Are Pressure Enhancement Stirring the Magnetosheath?
Earth’s magnetosheath, the region between Earth’ magnetic field and the bow shock, gives rise to a plethora of transients, waves, and instabilities. Each effect changes the plasma parameter distribution, impacting the behaviour of the plasma that finally hits our magnetic field. Turbulence plays a crucial role in how energy injectedFlorian Koller +2 more
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Mirror instability in the magnetosheath
Advances in Space Research, 1994We describe mirror mode structures observed by ISEE 1 and ISEE 2. We cite an example where there is a good correlation between signals measured at the two spacecraft while they are 2250 km apart, and another example where the correlation is much poorer, although the spacecraft are only 340 km apart.
A.N. Fazakerley, D.J. Southwood
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Ion propagation in the magnetosheath
Journal of Geophysical Research: Space Physics, 1984The transport of test ions through the magnetosheath depends upon the macroscopic structure defined by the average magnetic and flow fields, B0 and U, and the fluctuating fields, δE and δB, encountered by the particles. In this paper an approximate model is used to generate the macroscopic configuration: it satisfies the jump conditions at the bow ...
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MHD simulations of the magnetosheath
Advances in Space Research, 1994Ideal magnetohydrodynamic (MHD) simulations of the dayside magnetosheath are reported. The calculations show a depletion layer near the magnetopause and a new stagnation flow structure. The stagnation flow appears to be a generalization of the stagnation line for ideal MHD.
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Magnetosheath jets: an interdisciplinary perspective
Earth’s magnetosheath, particularly its region downstream of the quasi-parallel bow shock, is permeated by plasma jets. These are local enhancements in the dynamic pressure, bubbles of plasma that are typically faster and denser in comparison to the ambient plasma.openaire +1 more source